<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Flink on Kevin wang's blog</title><link>https://kevinwang930.github.io/categories/flink/</link><description>Recent content in Flink on Kevin wang's blog</description><generator>Hugo</generator><language>en-US</language><lastBuildDate>Tue, 06 Oct 2026 19:00:00 +0200</lastBuildDate><atom:link href="https://kevinwang930.github.io/categories/flink/index.xml" rel="self" type="application/rss+xml"/><item><title>Apache Flink internals</title><link>https://kevinwang930.github.io/post/data/stream/flink/</link><pubDate>Tue, 06 Oct 2026 19:00:00 +0200</pubDate><guid>https://kevinwang930.github.io/post/data/stream/flink/</guid><description>&lt;p&gt;&lt;strong&gt;Apache Flink&lt;/strong&gt; is a distributed engine for continuous (and bounded) dataflow programs. A job is a graph of operators; the runtime places parallel &lt;strong&gt;tasks&lt;/strong&gt; on &lt;strong&gt;TaskManagers&lt;/strong&gt;, keeps operator &lt;strong&gt;state&lt;/strong&gt; local to those tasks, and advances time with &lt;strong&gt;watermarks&lt;/strong&gt; so windows and timers close at well-defined points.&lt;/p&gt;</description></item></channel></rss>